Thick-wall light guide element, optical system, vehicle lamp and vehicle

Abstract

The utility model provides a thick-wall light guide element, an optical system, a vehicle lamp and a vehicle, and relates to the technical field of vehicle illumination. The thick-wall light guide element comprises at least one light inlet face, a first total reflection face, a second total reflection face, a third total reflection face and a light outlet face. Light beams emitted by the light source are totally reflected for three times through the thick-wall light guide element and then are emitted, the thick-wall light guide element improves the light emitting uniformity of the vehicle lamp, the problem that bright spots and dark spots are generated during light emitting of the vehicle lamp is solved, the light emitting brightness of the vehicle lamp is improved, the utilization rate of the light beams of the light source by the vehicle lamp is increased, and the service life of the vehicle lamp is prolonged. Therefore, the lighting effect of the automobile lamp is improved. In addition, the thick-wall light guide element provided by the utility model is simple in structure and small in size, and saves the space of the vehicle lamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle lighting technical field more specifically, relate to a kind of thick-wall light guide element, optical system, vehicle lamp and vehicle. BACKGROUND

[0002] With the development of modern industry, the technology of automobile has realized leap-forward rapid development, with the development of economy, the demand of modern life for automobile is more and more big, the performance and humanization design of automobile also receive more and more extensive attention. The lighting lamps and lanterns on the car include a variety of signal functions, and the lighting mode of each function is different, among which the light source side of the optical thick-wall piece is one of them, that is, the light beam emitted by the light source is processed by various different forms of optical patterns on the thick-wall piece, and the light beam is projected out of the thick-wall piece to achieve the purpose of illumination. However, the existing lighting lamps and lanterns have poor lighting effect and need to be further improved. SUMMARY

[0003] Therefore, the utility model provides a kind of thick-wall light guide element, optical system, vehicle lamp and vehicle, effectively solve the technical problems existing in prior art, by thick-wall light guide element to the light beam emitted by light source is three times total reflection and emits, not only improve the light uniformity of vehicle lamp, also improve the light brightness of vehicle lamp, thereby improve the lighting effect of vehicle lamp.

[0004] To achieve the above object, the technical scheme provided by the utility model is as follows:

[0005] A kind of thick-wall light guide element, the thick-wall light guide element includes:

[0006] At least one light inlet face, when the thick-wall light guide element includes multiple light inlet faces, the light inlet faces are sequentially arranged along a first direction;

[0007] First total reflection face, the first total reflection face is oppositely arranged with the light inlet face in a second direction, and the first direction and the second direction intersect;

[0008] Second total reflection face, the second total reflection face is oppositely arranged with the first total reflection face in a third direction, and the plane where the first direction and the second direction intersect intersects with the third direction;

[0009] Third total reflection face, the third total reflection face is oppositely arranged with the second total reflection face in the second direction, and the third total reflection face is towards the same direction as the first total reflection face;

[0010] Light outlet face, the light outlet face is oppositely arranged with the third total reflection face in the third direction;

[0011] Wherein, the light beam emitted by the light source enters the thick-wall light guide element through the light inlet face, the light beam is incident to the first total reflection face to be totally reflected as a first light beam, the first total reflection face reflects the first light beam to the second total reflection face to be totally reflected as a second light beam, the second total reflection face reflects the second light beam to the third total reflection face to be totally reflected as a third light beam, and the third total reflection face reflects the third light beam to the light outlet face, and the third light beam is guided out of the thick-wall light guide element through the light outlet face.

[0012] Optionally, the thick-wall light guide element comprises:

[0013] At least one collimating portion, the light inlet face of the collimating portion is the light inlet face, and the light outlet side of the collimating portion is arranged opposite to the first total reflection face in the second direction.

[0014] Optionally, the collimating portion is a light cup.

[0015] Optionally, the light inlet face is a recessed face recessed towards the inside of the thick-wall light guide element.

[0016] Optionally, at least one of the first total reflection face, the second total reflection face, the third total reflection face and the light outlet face comprises an optical pattern.

[0017] The optical pattern is used for diffusing the light.

[0018] Based on the same inventive concept, the utility model also provides an optical system, the optical system comprises:

[0019] The thick-wall light guide element described above;

[0020] A circuit board, at least one light source is electrically connected on the circuit board, and the light source is arranged opposite to the light inlet face.

[0021] Optionally, the optical system further comprises:

[0022] A light blocking portion, the light blocking portion is arranged outside the thick-wall light guide element at the part of the third total reflection face.

[0023] Optionally, the light source is a light emitting diode.

[0024] Based on the same inventive concept, the utility model also provides a vehicle lamp, the vehicle lamp comprises the optical system described above.

[0025] Based on the same inventive concept, the utility model also provides a vehicle, the vehicle comprises the vehicle lamp described above.

[0026] Compared with the prior art, the technical scheme provided by the utility model has at least the following advantages:

[0027] The utility model provides a kind of thick wall light guide element, optical system, vehicle lamp and vehicle, the thick wall light guide element includes: at least one light inlet face, when the thick wall light guide element includes multiple light inlet face, the light inlet face is sequentially arranged along first direction;First total reflection surface, the first total reflection surface is oppositely arranged with the light inlet face in second direction, the first direction and the second direction intersect;Second total reflection surface, the second total reflection surface is oppositely arranged with the first total reflection surface in third direction, the plane where the first direction and the second direction intersect intersects with the third direction;Third total reflection surface, the third total reflection surface is oppositely arranged with the second total reflection surface in the second direction, and the third total reflection surface is towards with the same direction as the first total reflection surface;Light outlet face, the light outlet face is oppositely arranged with the third total reflection surface in the third direction.

[0028] From the above content, after the light beam emitted by the light source enters the thick wall light guide element via the light inlet face, the light beam is incident to the first total reflection surface to be totally reflected as first light beam, the first total reflection surface reflects the first light beam to the second total reflection surface to be totally reflected as second light beam, the second total reflection surface reflects the second light beam to the third total reflection surface to be totally reflected as third light beam, and the third total reflection surface reflects the third light beam to the light outlet face, and the third light beam is guided out of the thick wall light guide element via the light outlet face.

[0029] The technical scheme provided by the utility model, the light beam emitted by the light source is emitted after three times of total reflection by the thick wall light guide element, the thick wall light guide element not only improves the light uniformity of the vehicle lamp, avoids the problem of bright spots and dark spots in the light emission of the vehicle lamp, but also improves the light brightness of the vehicle lamp, improves the utilization rate of the light beam of the light source by the vehicle lamp, thereby improving the lighting effect of the vehicle lamp. In addition, the thick wall light guide element provided by the utility model has simple structure and small size, which saves the space of the vehicle lamp. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme of the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0031] Figure 1 The structure diagram of the thick wall light guide element provided by the utility model embodiment is shown in the figure;

[0032] Figure 2 The structure diagram of the thick wall light guide element provided by the utility model embodiment is shown in the figure;Figure 1 a sectional view along the direction of AA';

[0033] Figure 3 a structure schematic view of another thick-wall light guide element provided by the embodiment of the present application;

[0034] Figure 4 a structure schematic view of another thick-wall light guide element provided by the embodiment of the present application;

[0035] Figure 5 a structure schematic view of another thick-wall light guide element provided by the embodiment of the present application;

[0036] Figure 6 a structure schematic view of an optical system provided by the embodiment of the present application;

[0037] Figure 7 a structure schematic view of another optical system provided by the embodiment of the present application.

[0038] Reference signs:

[0039] 10 - thick-wall light guide element; 11 - collimating part; 12 - fixing part; 110 - light inlet surface; 121 - first total reflection surface; 122 - second total reflection surface; 123 - third total reflection surface; 130 - light outlet surface; 20 - circuit board; 30 - light source; 40 - light blocking part; X - first direction; Y - second direction; Z - third direction. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0041] As described in the background, with the development of modern industry, the automobile technology has achieved a leap-forward rapid development, with the development of economy, the demand for automobiles in modern life is getting larger and larger, and the performance and humanized design of automobiles are also getting more and more attention. The lighting lamps on the car include various signal functions, and the lighting modes of each function are different, among which the light source side of the optical thick-wall part is one of them, that is, the light beam emitted by the light source is processed by various different forms of optical patterns on the thick-wall part, and the light beam is projected out of the thick-wall part to achieve the purpose of illumination. However, the existing lighting lamps have poor lighting effect, and need to be further improved.

[0042] Based on this, the utility model embodiment provides a kind of thick wall light guide element, optical system, vehicle lamp and vehicle, effectively solve the technical problems existing in prior art, by thick wall light guide element to the light beam of light source emission carries out three times total reflection and emits, not only improve the light uniformity of vehicle lamp, also improve the light brightness of vehicle lamp, thereby improve the illumination effect of vehicle lamp.

[0043] To achieve the above object, the technical scheme provided by the utility model embodiment is as follows, specific combination Figures 1 to 7 The technical scheme provided by the utility model embodiment is described in detail.

[0044] Combination Figure 1 And Figure 2 As shown in Figure 1 The structure diagram of a thick wall light guide element provided by the utility model embodiment, Figure 2 For Figure 1 In the section view along AA' direction, wherein Figure 2 Arrow direction is light beam propagation direction.The thick wall light guide element 10 provided by the utility model embodiment includes: at least one light inlet face 110, when the thick wall light guide element 10 includes multiple light inlet faces 110, the light inlet faces 110 are sequentially arranged along the first direction X.First total reflection face 121, the first total reflection face 121 is oppositely arranged with the light inlet face 110 in the second direction Y, the first direction X and the second direction Y intersect;Optionally, the first direction X and the second direction Y can be perpendicular intersection.Second total reflection face 122, the second total reflection face 122 is oppositely arranged with the first total reflection face 121 in the third direction Z, the plane where the first direction X and the second direction Y intersect is intersected with the third direction Z;Optionally, the third direction Z can be arranged perpendicularly with the plane where the first direction X and the second direction Y intersect.Third total reflection face 123, the third total reflection face 123 is oppositely arranged with the second total reflection face 122 in the second direction Y, and the third total reflection face 123 is towards the same direction as the first total reflection face 121;That is, the emission direction after the light reflected by first total reflection face 121 is same with the emission direction after the light reflected by third total reflection face 123.Light outlet face 130, the light outlet face 130 is oppositely arranged with the third total reflection face 123 in the third direction Z.

[0045] As can be known from the above, the thick-wall light guide element 10 provided by the utility model, after the light beam emitted by the light source enters the thick-wall light guide element 10 through the light inlet face 110, the light beam is incident to the first total reflection face 121 to be totally reflected as a first light beam, the first total reflection face 121 reflects the first light beam to the second total reflection face 122 to be totally reflected as a second light beam, the second total reflection face 122 reflects the second light beam to the third total reflection face 123 to be totally reflected as a third light beam, and the third total reflection face 123 reflects the third light beam to the light outlet face 130, and the third light beam is guided out of the thick-wall light guide element 10 through the light outlet face 130.

[0046] The technical scheme provided by the utility model embodiment, the light beam emitted by the light source is emitted after three times of total reflection by the thick-wall light guide element 10, the number of total reflection of the light beam is increased by using the thick-wall light guide element 10, the light emission uniformity of the thick-wall light guide element 10 is improved, the problems of bright spots and dark spots in the light emission of the thick-wall light guide element 10 are avoided, the light emission brightness of the thick-wall light guide element 10 is improved, the utilization rate of the light beam of the light source by the thick-wall light guide element 10 is improved, and therefore the illumination effect of the thick-wall light guide element 10 is improved. In addition, the thick-wall light guide element 10 provided by the utility model embodiment has simple structure and small size, and can save the space of the vehicle lamp prepared by using the thick-wall light guide element 10.

[0047] In some embodiments, when the thick-wall light guide element 10 provided by the utility model embodiment receives the light beam emitted by the light source, the light beam can also be collimated and then incident to the first total reflection face 121. Referring to Figure 1 The thick-wall light guide element 10 provided by the utility model embodiment comprises at least one collimating portion 11, the light inlet face of the collimating portion 11 is the light inlet face 110, and the light outlet side of the collimating portion 11 is oppositely arranged with the first total reflection face 121 in the second direction Y. When the light beam emitted by the light source enters the inside of the thick-wall light guide element 10 through the light inlet face 110, the light beam is first collimated by the collimating portion 11, and then is incident to the first total reflection face 121 to be totally reflected, thereby improving the light emission effect of the thick-wall light guide element 10.

[0048] Optionally, the collimating portion 11 provided by the utility model embodiment can be a light cup, and the utility model does not make specific limitation on the structure type of the collimating portion 11.

[0049] Referring to Figure 3 As shown in the structural schematic view of another thick-wall light guide element provided by the utility model embodiment, the thick-wall light guide element can also be Figure 1Another cross-sectional view along the direction of AA', wherein the light-incident surface 110 is a concave surface concaving towards the inside of the thick-wall light guide element 10. Designing the light-incident surface 110 as a concave surface can increase the light-incident area of the light-incident surface 110, and ultimately improve the light-exiting effect of the thick-wall light guide element 10. It is further shown that the bottom surface of the light-incident surface 110 can also be designed as a convex mirror surface, further improving the light-exiting effect of the thick-wall light guide element 10. Figure 3

[0050] In some embodiments, in order to improve the light-exiting effect of the thick-wall light guide element 10, the thick-wall light guide element 10 can also diffuse the light rays while propagating the light rays. It is shown that the thick-wall light guide element 10 can also diffuse the light rays while propagating the light rays. Figure 1 Figure 4 Figure 1 It is a front view of the thick-wall light guide element 10, and Figure 4 It is a back view of the thick-wall light guide element 10, wherein at least one of the first total reflection surface 121, the second total reflection surface 122, the third total reflection surface 123 and the light-exiting surface 130 includes an optical pattern; the optical pattern is used for diffusing the light rays. When the light beam emitted by the light source enters the thick-wall light guide element 10 through the light-incident surface 110, the light beam is incident to the first total reflection surface 121 for total reflection and diffusion to become a first light beam, and the first total reflection surface 121 reflects the first light beam to the second total reflection surface 122; the second total reflection surface 122 totally reflects and diffuses the first light beam to become a second light beam, and the second total reflection surface 122 reflects the second light beam to the third total reflection surface 123; the third total reflection surface 123 totally reflects and diffuses the second light beam to become a third light beam, and the third total reflection surface 123 reflects the third light beam to the light-exiting surface 130, and the third light beam is emitted to the outside of the thick-wall light guide element 10 after being diffused by the optical pattern of the light-exiting surface 130. The thick-wall light guide element 10 not only totally reflects the light beam emitted by the light source three times, but also diffuses the light beam during the propagation process, improves the light-exiting uniformity and light-exiting brightness of the thick-wall light guide element 10, and improves the light-exiting effect of the thick-wall light guide element 10.

[0051] It is shown that the thick-wall light guide element 10 can also diffuse the light rays while propagating the light rays. Figure 5 It is a structure schematic view of another thick-wall light guide element, wherein the thick-wall light guide element 10 also includes at least one fixing portion 12. Optionally, the fixing portion 12 can be located near the collimating portion 11 of the thick-wall light guide element 10, and the fixing portion 12 can be a threaded fixing portion, so as to facilitate the fixed connection between the thick-wall light guide element 10 and other components. ​​​

[0052] Based on the same inventive concept, the embodiment of the present invention also provides an optical system. Figure 6 The figure shows a schematic structural diagram of an optical system provided by an embodiment of the present invention, wherein the optical system provided by an embodiment of the present invention comprises: a thick-walled light guide element 10 provided by any one of the above-mentioned embodiments. The thick-walled light guide element 10 comprises: at least one light-incoming surface 110. When the thick-walled light guide element 10 comprises a plurality of light-incoming surfaces 110, the light-incoming surfaces 110 are arranged in sequence along the first direction X. A first total reflection surface 121, wherein the first total reflection surface 121 is arranged opposite to the light-incoming surface 110 in the second direction Y, and the first direction X and the second direction Y intersect. A second total reflection surface 122, wherein the second total reflection surface 122 is arranged opposite to the first total reflection surface 121 in a third direction Z, and the plane where the first direction X and the second direction Y intersect intersects with the third direction Z. A third total reflection surface 123, wherein the third total reflection surface 123 is arranged opposite to the second total reflection surface 122 in the second direction Y, and the orientation of the third total reflection surface 123 is the same as that of the first total reflection surface 121. A light emitting surface 130 is disposed opposite the third total reflection surface 123 in the third direction Z. Furthermore, the optical system further includes a circuit board 20 , to which at least one light source 30 is electrically connected. The circuit board 20 supplies power to the light source 30 and provides related control signals. The light source 30 is disposed opposite the light incident surface 110 .

[0053] From the above content, it can be seen that in the optical system provided by the present invention, after the light beam emitted by the light source 30 enters the thick-walled optical waveguide element 10 through the light input surface 110, the light beam is incident on the first total reflection surface 121 for total reflection as a first light beam, the first total reflection surface 121 reflects the first light beam to the second total reflection surface 122 for total reflection as a second light beam, the second total reflection surface 122 reflects the second light beam to the third total reflection surface 123 for total reflection as a third light beam, the third total reflection surface 123 reflects the third light beam to the light output surface 130, and the third light beam is exported from the thick-walled optical waveguide element 10 via the light output surface 130.

[0054] The technical solution provided by the embodiment of the present invention uses a thick-walled light guide element 10 to perform three total reflections on the light beam emitted by the light source before emitting it. The use of the thick-walled light guide element 10 increases the number of full reflections of the light beam. This not only improves the uniformity of the light emitted by the thick-walled light guide element 10 and avoids the problem of bright and dark spots in the light emitted by the thick-walled light guide element 10, but also increases the brightness of the light emitted by the thick-walled light guide element 10 and improves the utilization rate of the light beam from the light source by the thick-walled light guide element 10, thereby improving the lighting effect of the thick-walled light guide element 10. In addition, the thick-walled light guide element 10 provided by the embodiment of the present invention has a simple structure and a small size, which can save space in the vehicle lamp fixture manufactured using the thick-walled light guide element 10.

[0055] The following combination Figures 1 to 5 The thick-walled light guide element 10 provided in the embodiment of the present invention is described in more detail. In some embodiments, when the thick-walled light guide element 10 provided in the embodiment of the present invention receives the light beam emitted by the light source, it can also collimate the light beam and then make it incident on the first total reflection surface 121. Figure 1 As shown, the thick-walled light-guiding element 10 provided in the embodiment of the present invention includes: at least one collimating portion 11, the light incident surface of the collimating portion 11 is the light-incoming surface 110, and the light-emitting side of the collimating portion 11 is arranged opposite to the first total reflection surface 121 in the second direction Y. When the light beam emitted by the light source enters the interior of the thick-walled light-guiding element 10 through the light-incoming surface 110, the light beam is first collimated by the collimating portion 11, and then incident on the first total reflection surface 121 for total reflection, thereby improving the light-emitting effect of the thick-walled light-guiding element 10. Optionally, the collimating portion 11 provided in the embodiment of the present invention can be a light cup, and the present invention does not specifically limit the structural type of the collimating portion 11.

[0056] like Figure 3 As shown, the light-incoming surface 110 provided in the embodiment of the present invention is a concave surface that is concave toward the inside of the thick-walled light-guiding element 10. Designing the light-incoming surface 110 as a concave surface can increase the light-incoming area of ​​the light-incoming surface 110, and ultimately improve the light-emitting effect of the thick-walled light-guiding element 10. Figure 3 As shown, the bottom surface of the light-incoming surface 110 provided in the embodiment of the present invention can also be set as a convex mirror surface to further improve the light-emitting effect of the thick-walled light-guiding element 10.

[0057] In some embodiments, in order to improve the light emitting effect of the thick-walled light guide element 10, the thick-walled light guide element 10 provided by the embodiment of the present invention can not only transmit the light but also diffuse the light. Figure 1 and Figure 4As shown, at least one of the first total reflection surface 121, the second total reflection surface 122, the third total reflection surface 123 and the light-emitting surface 130 provided by the embodiment of the present invention includes an optical pattern; the optical pattern is used to diffuse the light. When the light beam emitted by the light source enters the thick-walled light-guiding element 10 through the light-inlet surface 110, the light beam is incident on the first total reflection surface 121 for total reflection and diffusion into a first light beam, and the first total reflection surface 121 reflects the first light beam to the second total reflection surface 122; the second total reflection surface 122 totally reflects and diffuses the first light beam into a second light beam, and the second total reflection surface 122 reflects the second light beam to the third total reflection surface 123; the third total reflection surface 123 totally reflects and diffuses the second light beam into a third light beam, and the third total reflection surface 123 reflects the third light beam to the light-emitting surface 130. The third light beam is diffused by the optical pattern of the light-emitting surface 130 and then emitted to the outside of the thick-walled light-guiding element 10. The thick-walled optical waveguide element 10 provided in the embodiment of the present invention can not only perform three-way total reflection on the light beam emitted by the light source, but also diffuse the light beam during the propagation process, thereby improving the light uniformity and brightness of the thick-walled optical waveguide element 10 and improving the light output effect of the thick-walled optical waveguide element 10.

[0058] like Figure 5 As shown, the thick-walled light guide element 10 provided in the embodiment of the present invention further includes at least one fixing portion 12. Optionally, the fixing portion 12 provided in the embodiment of the present invention can be located near the collimating portion 11 of the thick-walled light guide element 10, and the fixing portion 12 can be a threaded fixing portion to facilitate fixed connection between the thick-walled light guide element 10 and other components.

[0059] refer to Figure 7 , which is a schematic structural diagram of another optical system provided by an embodiment of the present invention, wherein the optical system provided by an embodiment of the present invention further comprises: a light blocking portion 40, which is disposed outside the portion of the thick-walled light guide element 10 on the third total reflection surface 123. The light blocking portion 40 blocks stray light beams from the light source 30 from passing through the third total reflection surface 123 and entering the interior of the thick-walled light guide element 10, thereby ensuring a high light extraction effect of the thick-walled light guide element 10.

[0060] In some embodiments, the light source 30 provided by the present invention can be a light-emitting diode. Light-emitting diodes have advantages such as small size, low power consumption, long service life, high brightness, low heat generation, environmental friendliness, and durability. The optical system provided by the present invention uses a light-emitting diode as the light source 30, which can further improve the light output effect of the optical system. Furthermore, in other embodiments, the light source 30 provided by the present invention can also be of other types, which are not specifically limited by the present invention.

[0061] Based on the same inventive concept, the utility model embodiment further provides a vehicle lamp, the vehicle lamp includes the optical system provided by any one of the above embodiment.

[0062] Based on the same inventive concept, the utility model embodiment further provides a vehicle, the vehicle includes the vehicle lamp provided by any one of the above embodiment.

[0063] The utility model embodiment provides a kind of thick wall light guide element, optical system, vehicle lamp and vehicle, the thick wall light guide element includes: at least one light entrance face, when the thick wall light guide element includes multiple light entrance face, the light entrance face is sequentially arranged along first direction;First total reflection surface, the first total reflection surface is oppositely arranged with the light entrance face in second direction, the first direction and the second direction intersect;Second total reflection surface, the second total reflection surface is oppositely arranged with the first total reflection surface in third direction, the plane where the first direction and the second direction intersect and the third direction intersect;Third total reflection surface, the third total reflection surface is oppositely arranged with the second total reflection surface in the second direction, and the third total reflection surface is towards with the same direction as the first total reflection surface;Light exit face, the light exit face is oppositely arranged with the third total reflection surface in the third direction.

[0064] From the above content, it can be known that the light beam emitted by the light source enters the thick wall light guide element via the light entrance face, the light beam is incident to the first total reflection surface to be totally reflected as first light beam, the first total reflection surface reflects the first light beam to the second total reflection surface to be totally reflected as second light beam, the second total reflection surface reflects the second light beam to the third total reflection surface to be totally reflected as third light beam, and the third total reflection surface reflects the third light beam to the light exit face, and the third light beam is guided out of the thick wall light guide element via the light exit face.

[0065] The technical scheme provided by the utility model embodiment provides that the light beam emitted by the light source is emitted after three times of total reflection by the thick wall light guide element, which not only improves the light emission uniformity of the vehicle lamp, avoids the problem of bright spots and dark spots in light emission of the vehicle lamp, but also improves the light emission brightness of the vehicle lamp, improves the utilization rate of the light beam of the light source by the vehicle lamp, and thus improves the illumination effect of the vehicle lamp. In addition, the thick wall light guide element provided by the utility model embodiment has simple structure and small size, and saves the space of the vehicle lamp.

[0066] In the description of the utility model, it is understood that, if the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0067] In addition, if the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0068] In the utility model, unless otherwise specifically defined and limited, the terms such as "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0069] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0070] In the present application, if the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" are used, it means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0071] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the ordinary skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A thick-walled light guide component, characterized in that The thick-walled light guide element comprises: at least one light-incoming surface, wherein when the thick-walled light guide element comprises a plurality of light-incoming surfaces, the light-incoming surfaces are sequentially arranged along a first direction; a first total reflection surface, the first total reflection surface being arranged opposite to the light incident surface in a second direction, the first direction and the second direction intersecting; a second total reflection surface, the second total reflection surface being arranged opposite to the first total reflection surface in a third direction, and a plane where the first direction and the second direction intersect with the third direction; a third total reflection surface, the third total reflection surface being arranged opposite to the second total reflection surface in the second direction, and the orientation of the third total reflection surface being the same as that of the first total reflection surface; a light emitting surface, the light emitting surface and the third total reflection surface being arranged opposite to each other in the third direction; Among them, after the light beam emitted by the light source enters the thick-walled optical waveguide element through the light input surface, the light beam is incident on the first total reflection surface for total reflection as a first light beam, the first total reflection surface reflects the first light beam to the second total reflection surface for total reflection as a second light beam, the second total reflection surface reflects the second light beam to the third total reflection surface for total reflection as a third light beam, the third total reflection surface reflects the third light beam to the light output surface, and the third light beam is exported from the thick-walled optical waveguide element through the light output surface.

2. The thick-walled light guide element according to claim 1, characterized in that The thick-walled light guide element comprises: At least one collimating portion, a light incident surface of the collimating portion is the light incident surface, and a light emitting side of the collimating portion is arranged opposite to the first total reflection surface in the second direction.

3. The thick-walled light guide element according to claim 2, characterized in that The collimating portion is a light cup.

4. The thick-walled light guide element according to claim 1, characterized in that The light-incoming surface is a concave surface concave toward the interior of the thick-walled light-guiding element.

5. The thick-walled light guide component according to claim 1, characterized in that At least one of the first total reflection surface, the second total reflection surface, the third total reflection surface and the light emitting surface comprises an optical pattern; The optical pattern is used to diffuse light.

6. An optical system, characterized in that The optical system comprises: The thick-walled light guide element according to any one of claims 1 to 5; A circuit board is electrically connected to at least one light source, and the light source is arranged opposite to the light incident surface.

7. The optical system according to claim 6, wherein: The optical system further comprises: A light blocking portion is provided outside a portion of the thick-walled light guide element on the third total reflection surface.

8. The optical system according to claim 6, wherein: The light source is a light emitting diode.

9. A vehicle lamp, characterized in that: The vehicle lamp fixture comprises the optical system according to any one of claims 6 to 8.

10. A vehicle, characterized in that: The vehicle includes the vehicle lamp according to claim 9.

Images